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Windows 11 users who installed the September 2025 update might think that it doesn’t really change much. After all, update KB5065426 is just a small patch that Microsoft is rolling out to everyone.

July 30 (Reuters) - More than 90 state and local governments have been targeted using the recently revealed vulnerability in Microsoft server software, according to a U.S. group devoted to helping ...

Last year, Satya Nadella pledged to make security priority number one at Microsoft MSFT-1.06%decrease; red down pointing triangle. A new hack involving China is showing just how difficult that can be.

Editor’s note: This is a guest analysis from Christopher Budd, who previously spent a decade at the Microsoft Security Response Center (MSRC). Emergency security teams know summer weekends are made ...

A Chinese-based threat actor has been observed using the flaws in Microsoft SharePoint to deploy ransomware on compromised systems. In an incident update on July 23, Microsoft revealed that a group ...

The department has been holding daily calls with Microsoft since the zero-day was discovered, the DOD CIO said at an event Thursday. The Department of Defense has not been ensnared by a broad ...

LONDON, July 22 (Reuters) - A security patch Microsoft (MSFT.O), opens new tab released this month failed to fully fix a critical flaw in the U.S. tech giant's SharePoint server software, opening the ...

Microsoft has revealed that Chinese state threat actors are actively targeting and exploiting a highly dangerous zero-day vulnerability in SharePoint Server, confirming earlier reports from Google ...

Update, July 21, 2025: This story, originally published on July 20, has been updated to include additional expert comments regarding the global zero-day attack impacting Microsoft on-premise ...